For a retro and stylish coffee bar kitchen, the mid-century modern style is a great option. This design incorporates iconic mid-century elements, such as bold colors, geometric patterns, and sleek furniture. The coffee bar features a vintage espresso machine, a collection of colorful mugs, and a retro-inspired backsplash. The rest of the kitchen follows the mid-century modern aesthetic with clean lines and minimalist cabinetry. This kitchen is perfect for those who want to add a touch of nostalgia and personality to their coffee bar.